Finding the Fourth Proportional to 758,453.82, 1,137,748.77 and 197,493.18
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Solution
The fourth proportional to 758,453.82, 1,137,748.77 and 197,493.18 is: 296,257.49
Step by Step Solution
- Step 1: Write the proportion equation
758,453.82 : 1,137,748.77 = 197,493.18 : x - Step 2: Convert to fraction form
758,453.82/1,137,748.77 = 197,493.18/x - Step 3: Cross multiply
758,453.82x = 1,137,748.77 × 197,493.18 - Step 4: Simplify right side
758,453.82x = 224,697,622,628.39 - Step 5: Solve for x
x = 224,697,622,628.39/758,453.82 - Step 6: Final answer
x = 296,257.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.